Sulak Sivaraksa - Buddhist activist and writer

Thailand, like many Asian countries, has focussed on rising GDP and national income as a sign of success but is that focus misplaced?

Sulak Sivaraksa thinks it is. He's a veteran social campaigner, Buddhist activist and writer who has been jailed in Thailand and briefly forced into exile.

The Burmese opposition leader Aung San Suu Kyi calls him one of the most influential thinkers in Asia.

Stephen Sackur talks to Sulak Sivaraksa at his home in Bangkok and asks: is he a visionary or a troublemaker?